| in order to achieve high turbine efficiency | 3 | purpose |
| turbine → be → required | 5 |
| turbine → be → necessary | 5 |
| turbine → be needed → the need | 3 |
| negative | neutral | positive |
| 0.124 | 0.597 | 0.278 |
| Raw frequency | 13 |
| Normalized frequency | 0.312 |
| Modifier score | 0.700 |
| Perplexity | 297.872 |